title: Psoriasis Area and Severity Index: nuts and bolts of measuring disease severity in psoriasis.
authors.affiliation: Immunology Development, Abbott Laboratories, Abbott Park, IL 60064-6149, USA. martin.okun@abbott.com
authors.forename: Martin M
authors.initials: MM
authors.lastname: Okun
mesh_terms: D006801:Humans; D010336:Pathology / Q000592:standards; D011565:Psoriasis / Q000473:pathology*; D012720:Severity of Illness Index